Finding the Fourth Proportional to 173,813.80, 260,720.70 and 55,497.10
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Solution
The fourth proportional to 173,813.80, 260,720.70 and 55,497.10 is: 83,245.65
Step by Step Solution
- Step 1: Write the proportion equation
173,813.80 : 260,720.70 = 55,497.10 : x - Step 2: Convert to fraction form
173,813.80/260,720.70 = 55,497.10/x - Step 3: Cross multiply
173,813.80x = 260,720.70 × 55,497.10 - Step 4: Simplify right side
173,813.80x = 14,469,242,759.97 - Step 5: Solve for x
x = 14,469,242,759.97/173,813.80 - Step 6: Final answer
x = 83,245.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.